Sagittarius A, abbreviated as Sgr A, is a complex radio source at the center of the Milky Way. Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, though i
Sagittarius A
Surface brightness and velocity field of the inner part of Sagittarius A West
The supermassive black hole Sagittarius A*, imaged by the Event Horizon Telescope
Sagittarius A*, abbreviated as Sgr A*, is the supermassive black hole at the Galactic Center of the Milky Way. Viewed from Earth, it is located near the border of the constellations Sagittarius and Sc
Sagittarius A
…source consists of three components: the supernova remnant Sagittarius A East; the spiral structure Sagittarius A West; and the supermassive black hole Sagittarius A*, the source of the strongest radio emissions. Sagittarius A* is located at the center of Sagittarius A West, while Sagittarius A West appears off-center…
Dusty cloud G2 passes the supermassive black hole at the center of the Milky Way. Composition of images taken at different times to show motion; colored blue when approaching the viewer, red when receding; time is left to right. Red cross marks the black hole.
An unusually bright X-ray flare from Sgr A* was detected in 2013.
Supernova remnant ejecta producing planet-forming material seen in radio and X-ray